/*
* ModeShape (http://www.modeshape.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.modeshape.jcr.query.parse;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
import org.junit.Before;
import org.junit.Test;
import org.modeshape.jcr.ExecutionContext;
import org.modeshape.jcr.query.model.QueryCommand;
import org.modeshape.jcr.query.model.TypeSystem;
/**
*
*/
public class QueryParsersTest {
private QueryParsers parsers;
private QueryParser parser1;
private QueryParser parser2;
private QueryParser parser3;
@Before
public void beforeEach() {
parsers = new QueryParsers();
parser1 = new MockParser("language 1");
parser2 = new MockParser("language 2");
parser3 = new MockParser("language 3");
}
@Test
public void shouldAllowNullArrayInConstructor() {
parsers = new QueryParsers((QueryParser[])null);
assertThat(parsers.getLanguages().isEmpty(), is(true));
}
@Test
public void shouldAllowNullIterableInConstructor() {
parsers = new QueryParsers((Iterable<QueryParser>)null);
assertThat(parsers.getLanguages().isEmpty(), is(true));
}
@Test
public void shouldAllowOneQueryParserReferenceInConstructor() {
parsers = new QueryParsers(parser1);
assertThat(parsers.getLanguages().size(), is(1));
assertThat(parsers.getLanguages().contains(parser1.getLanguage()), is(true));
}
@Test
public void shouldAllowTwoQueryParserReferencesInConstructor() {
parsers = new QueryParsers(parser1, parser2);
assertThat(parsers.getLanguages().size(), is(2));
assertThat(parsers.getLanguages().contains(parser1.getLanguage()), is(true));
assertThat(parsers.getLanguages().contains(parser2.getLanguage()), is(true));
}
@Test
public void shouldAllowThreeQueryParserReferencesInConstructor() {
parsers = new QueryParsers(parser1, parser2, parser3);
assertThat(parsers.getLanguages().size(), is(3));
assertThat(parsers.getLanguages().contains(parser1.getLanguage()), is(true));
assertThat(parsers.getLanguages().contains(parser2.getLanguage()), is(true));
assertThat(parsers.getLanguages().contains(parser3.getLanguage()), is(true));
}
@Test
public void shouldOverwriteQueryParsersWithSameLanguageInConstructor() {
parser2 = new MockParser(parser1.getLanguage());
parsers = new QueryParsers(parser1, parser2, parser3);
assertThat(parsers.getLanguages().size(), is(2));
assertThat(parsers.getLanguages().contains(parser2.getLanguage()), is(true));
assertThat(parsers.getLanguages().contains(parser3.getLanguage()), is(true));
}
@Test( expected = IllegalArgumentException.class )
public void shouldNotAllowNullQueryParserReferenceInAddLanguagesMethod() {
parsers.addLanguages((QueryParser)null);
}
@Test( expected = IllegalArgumentException.class )
public void shouldAllowNullIterableInAddLanguagesMethod() {
parsers.addLanguages((Iterable<QueryParser>)null);
}
@Test
public void shouldAddOneQueryParserReference() {
parsers.addLanguage(parser1);
assertThat(parsers.getLanguages().size(), is(1));
assertThat(parsers.getLanguages().contains(parser1.getLanguage()), is(true));
}
@Test
public void shouldAddTwoQueryParserReferences() {
parsers.addLanguages(parser1, parser2);
assertThat(parsers.getLanguages().size(), is(2));
assertThat(parsers.getLanguages().contains(parser1.getLanguage()), is(true));
assertThat(parsers.getLanguages().contains(parser2.getLanguage()), is(true));
}
@Test
public void shouldAddThreeQueryParserReferences() {
parsers.addLanguages(parser1, parser2, parser3);
assertThat(parsers.getLanguages().size(), is(3));
assertThat(parsers.getLanguages().contains(parser1.getLanguage()), is(true));
assertThat(parsers.getLanguages().contains(parser2.getLanguage()), is(true));
assertThat(parsers.getLanguages().contains(parser3.getLanguage()), is(true));
}
@Test
public void shouldOverwriteQueryParsersWithSameLanguageWhenAddingQueryParser() {
parser2 = new MockParser(parser1.getLanguage());
parsers.addLanguages(parser1, parser2, parser3);
assertThat(parsers.getLanguages().size(), is(2));
assertThat(parsers.getLanguages().contains(parser2.getLanguage()), is(true));
assertThat(parsers.getLanguages().contains(parser3.getLanguage()), is(true));
}
@Test( expected = IllegalArgumentException.class )
public void shouldFailToParseUnknownLanguage() {
TypeSystem typeSystem = new ExecutionContext().getValueFactories().getTypeSystem();
parsers.parse(typeSystem, "unknown language", "This is a bogus query");
}
protected static class MockParser implements QueryParser {
private final String language;
protected MockParser( String language ) {
this.language = language;
assert this.language != null;
}
@Override
public String getLanguage() {
return language;
}
@Override
public QueryCommand parseQuery( String query,
TypeSystem typeSystem ) throws InvalidQueryException {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return "Mock parser for " + language;
}
}
}